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Finding the Fourth Proportional to 112,447.70, 168,700.76 and 33,561.92

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Solution

The fourth proportional to 112,447.70, 168,700.76 and 33,561.92 is: 50,351.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,447.70 : 168,700.76 = 33,561.92 : x
  2. Step 2: Convert to fraction form
    112,447.70/168,700.76 = 33,561.92/x
  3. Step 3: Cross multiply
    112,447.70x = 168,700.76 × 33,561.92
  4. Step 4: Simplify right side
    112,447.70x = 5,661,921,411.06
  5. Step 5: Solve for x
    x = 5,661,921,411.06/112,447.70
  6. Step 6: Final answer
    x = 50,351.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.